APA (7th ed.) Citation

Der, B. G. (1998). The slave trade in Northern Ghana. Woeli Publ. Services.

Chicago Style (17th ed.) Citation

Der, Benedict G. The Slave Trade in Northern Ghana. Accra: Woeli Publ. Services, 1998.

MLA (9th ed.) Citation

Der, Benedict G. The Slave Trade in Northern Ghana. Woeli Publ. Services, 1998.

Warning: These citations may not always be 100% accurate.